public static string LookingForShipper(double x, double y, string noidung, string tieude, int donhangId, int khachhangId)
{
List <int> arr = db.NguoiDiChoOnline.Where(m => m.Online == true && m.Refuse != donhangId && m.Id != khachhangId).Select(m => m.Id).ToList();
List <double> list = new List <double>();
double d = 0;
double result = 0;
double[,] arr2 = new double[arr.Count(), 2];
double min = Double.MaxValue;
double arrmin = 0;
for (int i = 0; i < arr.Count(); i++)
{
d = arr[i];
var nguoidicho = db.NguoiDiChoOnline.Single(a => a.Id == d);
result = CalculateDistance.DistanceFrom(x, y, nguoidicho.X, nguoidicho.Y);
arr2[i, 0] = arr[i];
arr2[i, 1] = result;
}
for (int i = 0; i < arr.Count(); i++)
{
if (arr2[i, 1] < min)
{
min = arr2[i, 1];
arrmin = arr2[i, 0];
}
}
var nguoidichothichhop = db.NguoiDiCho.SingleOrDefault(u => u.Id == arrmin);
SendNotification.SendNotifications(noidung, tieude, nguoidichothichhop.Id);
string result1 = "Người đi chợ thích hợp là: " + nguoidichothichhop.Ten;
return(result1);
}
public static List <int> LookingForSupplier(double x, double y)
{
List <int> arr = db.NhaCungUng.Where(n => n.Id != 0).Select(s => s.Id).ToList();
List <int> list = new List <int>();
double d = 0;
double result = 0;
double[,] arr2 = new double[arr.Count(), 2];
for (int i = 0; i < arr.Count(); i++)
{
d = arr[i];
var ncu = db.NhaCungUng.Single(a => a.Id == d);
result = CalculateDistance.DistanceFrom(x, y, ncu.X, ncu.Y);
arr2[i, 0] = arr[i];
arr2[i, 1] = result;
if (result < 200000)
{
list.Add(arr[i]);
}
//list.Add(arr[i]);
}
return(list);
}